CN204286824U - Vehicle suspension performance experiment table - Google Patents
Vehicle suspension performance experiment table Download PDFInfo
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- CN204286824U CN204286824U CN201420842277.4U CN201420842277U CN204286824U CN 204286824 U CN204286824 U CN 204286824U CN 201420842277 U CN201420842277 U CN 201420842277U CN 204286824 U CN204286824 U CN 204286824U
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- sill
- suspension
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- revolving structure
- entablature
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Abstract
The utility model discloses a kind of vehicle suspension performance experiment table, comprise running gear, sill, entablature, damping suspension, slewing equipment, drive unit, base, vibration test system, annular simulated roadway and base mounting flange; Base mounting flange is located at inside annular simulated roadway, base is connected with base mounting flange by means of bolt, sill is supported in annular simulated roadway by means of the running gear that its two ends are installed, slewing equipment is vertically located at inside annular simulated roadway, in the middle part of entablature and sill in the middle part of with slewing equipment by means of the anatomical connectivity that can slide up and down; Its advantage is: simulate by adopting 1/2 auto model, and supporting annular simulated roadway is set, drive unit is driven through tire and damping suspension by slewing equipment and is supported on entablature on annular simulated roadway and sill rotates, more close to actual travel state, improve experimental reliability, improve experimental precision.
Description
Technical field
The utility model relates to Car design auxiliary experiment device technical field, especially a kind of vehicle suspension performance experiment table.
Background technology
The parameter optimization of passive suspension, half is initiatively the gordian technique improving vehicle suspension performance with the parameter optimization of Active suspension and choosing of control strategy, the research of this respect has obtained a large amount of theoretical result, whether various theoretical analysis result is feasible, needs experimental verification.Vehicle suspension performance experiment table is the necessary device of experimental verification vehicle suspension performance, general vehicle suspension property experiment table many employings 1/4 auto model, tire excitation input is given as driving source with shaking table or Electrohydraulic servo cylinder, during test, tire is in non-driving state, by the performance of the test acceleration of car body, the metrics evaluation Suspension Model such as dynamic stroke, exciting force of suspension.Although conventional vehicle suspension performance experiment table structure is simple, but tire does not travel, with shaking table or Electrohydraulic servo cylinder provide random, impact, sinusoidal, frequency sweep equal excitation simulated roadway, have certain deviation with the road conditions of reality, reduce the reliability of experimental result.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of vehicle suspension performance experiment table, adopts 1/2 auto model, and the annular simulated roadway of supporting installation, in test process, suspension and running gear are in transport condition, more close to actual road conditions, improve experimental reliability.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of vehicle suspension performance experiment table, comprises running gear, sill, entablature, damping suspension, slewing equipment, drive unit, base, vibration test system, annular simulated roadway and base mounting flange, described base mounting flange is located at inside annular simulated roadway, base is connected with base mounting flange by means of bolt, described sill is supported in annular simulated roadway by means of the running gear that two ends are installed, described slewing equipment is vertically located at inside annular simulated roadway, and its axis overlaps with the axis of rotation of annular simulated roadway, described entablature is positioned at sill top, and damping suspension is installed at entablature lower surface two ends, described damping suspension lower end is connected with sill upper surface, in the middle part of described entablature and sill in the middle part of with slewing equipment by means of the anatomical connectivity that can slide up and down, described slewing equipment lower end is supported on base upper surface, and be connected with drive unit clutch end by means of gear drive.
Described running gear comprises tire assembly, tire rotating shaft, rolling bearing, shell and linkage section one, the flange of described tire assembly and shell is bolted to connection, the inner hole of described tire rotating shaft and described rolling bearing, described housing washer and described shell inner hole, described tire rotating shaft is fixedly connected with linkage section one, and linkage section one open end is connected with sill end winding support.
Mount pad under described sill comprises centre revolving structure one, is symmetrically set in two linkage sections two of centre revolving structure one both sides and is arranged on two cover suspensions on two linkage section two upper surfaces, the hollow structure that described centre revolving structure one is formed for rectangular cross section beam welding, two linkage sections two are installed on two side flanges of centre revolving structure one by bolt symmetry; The open end of two linkage sections two and linkage section one Flange joint of corresponding end running gear.
Described entablature comprises centre revolving structure two, be fixed at two linkage sections three of centre revolving structure two both sides, counterweight chassis, balancing disk and two overlaps mount pad on suspensions, the hollow structure that centre revolving structure two is formed for rectangular cross section beam welding, two linkage sections three are installed on the both sides of centre revolving structure two by bolt symmetry, on suspension, mount pad is fixed at the open end upper surface of linkage section three, counterweight center chassis arranges circular hole, be symmetrically welded with the end face of centre revolving structure two, balancing disk center arranges circular hole, balancing disk and counterweight chassis are bolted.
Described damping suspension comprises the seat of honour, lower seat, shock-absorbing spring and damper, shock-absorbing spring is installed between the seat of honour, lower seat by location structure, the two ends of damper are connected with mount pad under suspension with mount pad on suspension respectively by bearing pin, under lower seat and suspension, mount pad is bolted, the seat of honour is connected with mount pad on suspension by bolt, and two damping suspension symmetries are installed; Described damper is hydraulic damper, hydraulic damper with adjustable, MR damper or active actuator.
Described slewing equipment comprises two ball splines, two squares, hollow splined shaft, four bearing pins, spline axle bed and pivoting support, hollow splined shaft coordinates with the inner spline groove set by spline axle bed and two ball splines to be installed, two ball splines are connected by the inner hole of flat key with two squares, the hollow space being positioned at the square of bottom and the centre revolving structure one of sill is connected, and by two bearing pin location, the hollow space of the centre revolving structure two of superposed square and entablature is connected, and by two bearing pin location, spline axle bed is installed on the outer ring of pivoting support by bolt.
Described drive unit comprises reducing motor, frequency converter, pinion wheel, pinion wheel is fixedly connected with the output shaft of reducing motor by flat key, and with the outer ring gears meshing of pivoting support, frequency converter drives reducing motor to rotate according to the way of output carried set by scrambler.
Described base is box-structure, comprise top board, base plate and two blocks of webs, base plate welds with two blocks of webs, the flange of top board and two blocks of webs is bolted, the flange of reducing motor and the inner ring of pivoting support are bolted and are fixed on top board, and base plate is bolted and is fixed on base mounting flange.
Described vibration test system comprises electrical equipment swivel adapter head, at least one sensor, signal wire, signal gathering analysis meter and installing plate, swivel adapter head is fixed on installing plate by screw, installing plate is secured by bolts on the top board of base, the center of swivel adapter head and the center superposition of hollow splined shaft, the signal wire be connected with sensor is through balancing disk, the center pit of counterweight chassis and hollow splined shaft is connected with each rotor input end of electrical equipment swivel adapter head, electrical equipment swivel adapter head output terminal is connected with signal gathering analysis meter device through square hole set on the web of base by signal wire.
The beneficial effect that the utility model adopts technique scheme to produce is: simulate by adopting 1/2 auto model, and supporting annular simulated roadway is set, different road conditions are simulated by changing annular simulation road surface shape, simultaneously in experimentation, drive unit is driven through tire and damping suspension by slewing equipment and is supported on entablature on annular simulated roadway and sill rotates, more close to actual travel state; Entablature and its upper and lower relative motion of sliding connection structure formed by ball spline between sill and slewing equipment are rolling friction, and resistance is very little, thus very little on the performance test impact of suspension; The connection that the centre revolving structure two of entablature, the centre revolving structure one of sill are formed by the square of bearing pin slewing equipment, entablature, sill can be freely swung in vertical plane, avoid inconsistent the produced single tire of both sides pavement-height land or the vibration of two damping suspensions is inconsistent time additional bending moment that slewing equipment is produced, improve the stressed of slewing equipment, improve the security of experiment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is running gear structural representation;
Fig. 3 is Lower Crossbeam Structure schematic diagram;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is entablature structural representation;
Fig. 6 is the vertical view of Fig. 5;
Fig. 7 is damping suspension apparatus structure schematic diagram;
Fig. 8 is slewing equipment structural representation;
Fig. 9 is the partial schematic diagram of slewing equipment superstructure;
Figure 10 is driving device structure schematic diagram;
Figure 11 is understructure schematic diagram;
Figure 12 is the left view of Figure 11;
Figure 13 is the vertical view of Figure 11;
Figure 14 is vibration test system schematic diagram;
Wherein: 1, running gear; 11, tire assembly; 12, tire rotating shaft; 13, rolling bearing; 14, shell; 15, linkage section one; 2, sill; 21, linkage section two; 22, centre revolving structure one; 23, mount pad under suspension; 3, entablature; 31, linkage section three; 32, centre revolving structure two; 33, counterweight chassis; 34, balancing disk; 35, mount pad on suspension; 4, damping suspension; 41, the seat of honour; 42, lower seat; 43, shock-absorbing spring; 44, damper; 5, slewing equipment; 51, ball spline; 52, square; 53, hollow splined shaft; 54, bearing pin; 55, spline axle bed; 56, pivoting support; 6, drive unit; 61, reducing motor; 62, frequency converter; 63, pinion wheel; 7, base; 71, top board; 72, base plate; 73, web; 8, vibration test system; 81, electrical equipment swivel adapter head; 82, sensor; 83, signal wire; 84, signal gathering analysis meter; 85, installing plate; 9, annular simulated roadway; 10, base mounting flange.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described:
In order to solve the problem of existing suspension property experimental provision poor reliability, the utility model provides a kind of vehicle suspension performance experiment table as shown in Figure 1, comprises running gear 1, sill 2, entablature 3, damping suspension 4, slewing equipment 5, drive unit 6, base 7, vibration test system 8, annular simulated roadway 9 and base mounting flange 10, described base mounting flange 10 is located at inside annular simulated roadway 9, base 7 is connected with base mounting flange 10 by means of bolt, described sill 2 is supported in annular simulated roadway 9 by means of the running gear 1 that two ends are installed, described slewing equipment 5 is vertically located at inside annular simulated roadway 9, and its axis overlaps with the axis of rotation of annular simulated roadway 9, described entablature 3 is positioned at sill 2 top, and damping suspension 4 is installed at entablature 3 lower surface two ends, described damping suspension 4 lower end is connected with sill 2 upper surface, in the middle part of described entablature 3 and sill 2 in the middle part of with slewing equipment 5 by means of the anatomical connectivity slided up and down, described slewing equipment 5 lower end is supported in base 7, base 7 is box-structure, its base plate 72 is secured by bolts in the base mounting flange 10 be embedded on basis, annular simulated roadway 9 is also located on basis, base mounting flange 10 is located at inside annular simulated roadway 9, the top board 71 of base 7 installs back rotary device 5 and drive unit 6, drive unit 6 drives slewing equipment 5 to rotate by cogwheel gearing, slewing equipment 5 drives entablature 3 and sill 2 synchronous axial system, sill 2 drives running gear 1 to travel on annular simulated roadway 9, simulated driving road conditions, vibration test system 8 completes vibration-testing and the data collection and analysis task of vehicle suspension performance experiment table, described running gear 1, sill 2, entablature 3, damping suspension 4, slewing equipment 5 is symmetrical mounting, barycenter is positioned at the centre of gyration, slewing equipment 5 does not bear revolution centrifugal force.
As shown in Figure 2, described running gear 1 comprises tire assembly 11, tire rotating shaft 12, rolling bearing 13, shell 14 and linkage section 1, described tire assembly 11 is bolted to connection with the end flange of shell 14, the inner hole of described tire rotating shaft 12 and described rolling bearing 13, described rolling bearing 13 outer ring and described shell 14 inner hole, described tire rotating shaft 12 is welded with linkage section 1.Said structure makes running gear 1 easy accessibility, can install the tire assembly 11 of different load-carrying, and the scope of application of experiment table expands.
As shown in Figure 3 and Figure 4, described sill 2 comprises mount pad 23 under linkage section 2 21, centre revolving structure 1 and suspension, described centre revolving structure 1 is weld by rectangular cross section beam the hollow structure formed, and two linkage sections 2 21 are installed on the both sides of center steering mechanism 1 by bolt symmetry; The other end of two linkage sections 2 21 is connected by the open end of bolt with the linkage section 1 of two running gears 1, under suspension, mount pad 23 welds with linkage section 2 21, linkage section 2 21 and centre revolving structure 1 with bolts, bring convenience to the manufacture of experiment table, transport, installation.
As shown in Figure 5 and Figure 6, described entablature 3 comprises linkage section 3 31, centre revolving structure 2 32, counterweight chassis 33, mount pad 35 on balancing disk 34 and suspension, centre revolving structure 2 32 is weld by rectangular cross section beam the hollow structure formed, two linkage sections 3 31 are installed on the both sides of centre revolving structure 2 32 by bolt symmetry, mount pad 35 and linkage section 3 31 welding edges on suspension, center, counterweight chassis 33 arranges circular hole, be symmetrically welded with the end face of centre revolving structure 2 32, the multi-sheet structure of circular hole is set centered by balancing disk 34, as required can by increase and decrease sheet number adjustment balancing disk weight, balancing disk and counterweight chassis are bolted, linkage section 3 31 and centre revolving structure 2 32 with bolts, to the manufacture of experiment table, transport, installation brings convenience, the performance test of the suspension of different load-carrying can be completed by increase and decrease balancing disk weight.
As shown in Figure 7, described damping suspension 4 comprises the seat of honour 41, lower seat 42, shock-absorbing spring 43 and damper 44, shock-absorbing spring 43 is installed between the seat of honour 41 and lower seat 42 by location structure, the two ends of damper 44 are connected with mount pad under suspension 23 with mount pad on suspension 35 respectively by the mode such as bearing pin or bolt connection, for passive suspension, damper 44 is hydraulic dampers, for semi-active suspension, damper 44 can be hydraulic damper with adjustable, one in the semi-active damper devices such as MR damper, for Active suspension, damper makees the ACTIVE CONTROL devices such as device.The lower seat 42 of damping suspension is bolted with mount pad 23 under suspension, the seat of honour 41 of damping suspension is connected with mount pad on suspension 35 by bolt, two damping suspension 4 symmetries are installed, the mounting means of damping suspension 4 is simple, be easy to the damping suspension changing different parameters or performance, expand the scope of application of experiment table.
As shown in Figure 8 and Figure 9, described slewing equipment 5 comprises two ball splines 51, two squares 52, hollow splined shaft 53, four bearing pins 54, spline axle bed 55, pivoting support 56, hollow splined shaft 53 coordinates with the inner spline groove set by spline axle bed 55 and two ball splines 51 to be installed, two ball splines 51 are connected with the inner hole set by two squares 52 by flat key, be positioned at the square 52 of bottom to coordinate with the hollow space of the centre revolving structure 1 of sill 2, and located by two bearing pins 54, superposed square 52 coordinates with the hollow space of the centre revolving structure 2 32 of entablature 3, and located by two bearing pins 54, spline axle bed 55 is installed on the outer ring of pivoting support 56 by bolt.When pivoting support 56 outer ring rotates, spline axle bed 55 is driven to rotate, spline axle bed 55 is rotated through spline joint and drives hollow splined shaft 53 to rotate, hollow splined shaft 53 is rotated through flat key and connects drive two square 52 synchronous rotaries, two squares 52 drive centre revolving structure 1 and centre revolving structure 2 32 synchronous rotary by coordinating contact, thus drive entablature 3 and sill 2 to rotate, and then drive the synchronous rotary of damping suspension 4 and running gear 1 in the traveling of annular simulated roadway 9, hollow splined shaft 53 is the axis of guide of sill 2 and entablature 3 up-down vibration, when sill 2 and entablature 3 vibrate, two squares 52 are driven by four bearing pins 54, drive two ball splines 51 along hollow splined shaft 53 up-down vibration again, move up and down between ball spline 51 and hollow splined shaft 53 as rolling friction, resistance is very little.The centre revolving structure 1 of sill 2, the centre revolving structure 2 32 of entablature 3 are by the connected mode of bearing pin 54 with square 52, ensure that sill 2, entablature 3 can freely swing in vertical plane around the axis of bearing pin 54, avoid inconsistent the produced single tire of pavement-height land or two damping suspensions 4 vibrate inconsistent time to hollow splined shaft 53 produce additional bending moment, improve the stressed of hollow splined shaft 53, the actual road conditions of accurate simulation, improve experimental reliability more.
As shown in Figure 10, described drive unit 6 comprises reducing motor 61, frequency converter 62 and pinion wheel 63, pinion wheel 63 adopts key syndeton with the output shaft of reducing motor 61, simultaneously, the outer ring gears meshing of pinion wheel and pivoting support 56, frequency converter 62 drives reducing motor 61 to rotate according to the way of output carried set by scrambler, by regulating the output frequency of frequency converter 62, just can change the rotating speed of reducing motor 61, the rotating speed of further change slewing equipment 5, realize the adjustment of tire running speed, the suspension property of convenient test under different travel speed.
As shown in Figure 11,12 and Figure 13, described base 7 is box-structure, and comprise top board 71, base plate 72 and two blocks of webs 73, base plate 72 welds with two blocks of webs 73, and base plate 72 is fixedly connected with the base mounting flange 10 being embedded in basis in advance by bolt.
As Fig. 1,8,9,10,11, shown in 12 and 13, when concrete assembling reducing motor 61 and pivoting support 56, first the inner ring of the flange of reducing motor 61 and pivoting support 56 is secured by bolts in top board 71, then the flange of top board 71 and two blocks of webs 73 is bolted.
As shown in figure 14, described vibration test system 8 comprises electrical equipment swivel adapter head 81, multiple sensor 82, signal wire 83 and signal gathering analysis meter 84, swivel adapter head 81 is secured by bolts in the top board 71 of base 7, swivel adapter head 81 rotation centerline overlaps with the center line of hollow splined shaft 53, the output terminal of sensor 82 is connected with one end of signal wire 83, the output signal line 83 of all the sensors 82 is through balancing disk 34, the center pit of counterweight chassis 33 and hollow splined shaft 53 is connected with the rotor input end of electrical equipment swivel adapter head 81, the square hole set by web 73 that the output signal line 83 of the stator output terminal of electrical equipment swivel adapter head 81 passes base 7 is connected with signal gathering analysis meter device 84.The layout of the kind of sensor 82, quantity, model, measuring point according to test request and initiatively, the requirement of semi-active control strategy determines, these are all mature technology, repeat no more.
For half initiatively, Active suspension, also adopt the connected mode of above-mentioned signal wire to be connected by electrical equipment swivel adapter head 81 according to the automatically controlled circuit that control strategy requires the control signal that exports or damping adjusting device, make device.
In a word, the utility model uses 1/2 auto model, and supporting annular road surface is set, sailed annular road surface is up by drive unit driving model, test under transport condition, convenient test vehicle suspension property under different transport condition, improves experiment safety, expand usable range, improve its reliability.
Claims (9)
1. a vehicle suspension performance experiment table, is characterized in that: comprise running gear (1), sill (2), entablature (3), damping suspension (4), slewing equipment (5), drive unit (6), base (7), vibration test system (8), annular simulated roadway (9) and base mounting flange (10), described base mounting flange (10) is located at annular simulated roadway (9) inner side, base (7) is connected with base mounting flange (10) by means of bolt, the running gear (1) that described sill (2) is installed by means of its two ends is supported in annular simulated roadway (9), annular simulated roadway (9) inner side is vertically located at by described slewing equipment (5), and its axis overlaps with the axis of rotation of annular simulated roadway (9), described entablature (3) is positioned at sill (2) top, and damping suspension (4) is installed at entablature (3) lower surface two ends, described damping suspension (4) lower end is connected with sill (2) upper surface, described entablature (3) and sill (2) middle part with slewing equipment (5) by means of the anatomical connectivity that can slide up and down, described slewing equipment (5) lower end is supported in base (7) upper surface, and be connected with drive unit (6) clutch end by means of gear drive.
2. vehicle suspension performance experiment table according to claim 1, it is characterized in that: described running gear (1) comprises tire assembly (11), tire rotating shaft (12), rolling bearing (13), shell (14) and linkage section one (15), described tire assembly (11) is bolted to connection with the flange of shell (14), the inner hole of described tire rotating shaft (12) and described rolling bearing (13), described rolling bearing (13) outer ring and described shell (14) inner hole, described tire rotating shaft (12) is fixedly connected with linkage section one (15), linkage section one (15) open end is connected with sill (2) end winding support.
3. vehicle suspension performance experiment table according to claim 2, it is characterized in that: described sill (2) comprises centre revolving structure one (22), mount pad (23) under the two cover suspensions that are symmetrically set in two linkage sections two (21) of centre revolving structure one (22) both sides and are installed on two linkage sections two (21) upper surface, the hollow structure that described centre revolving structure one (22) is formed for rectangular cross section beam welding, two linkage sections two (21) are installed on by bolt symmetry on two side flanges of centre revolving structure one (22); The open end of two linkage sections two (21) is fixedly connected with the linkage section one (15) of corresponding end running gear (1).
4. vehicle suspension performance experiment table according to claim 3, it is characterized in that: described entablature (3) comprises centre revolving structure two (32), be fixed at two linkage sections three (31) of centre revolving structure two (32) both sides, counterweight chassis (33), balancing disk (34) and two overlaps mount pad (35) on suspensions, the hollow structure that centre revolving structure two (32) is formed for rectangular cross section beam welding, two linkage sections three (31) are installed on the both sides of centre revolving structure two (32) by bolt symmetry, on suspension, mount pad (35) is fixed at the open end of linkage section three (31), counterweight chassis (33) center arranges circular hole, be symmetrically welded with the end face of centre revolving structure two (32), balancing disk (34) center arranges circular hole, balancing disk (34) and counterweight chassis (33) are bolted.
5. vehicle suspension performance experiment table according to claim 4, it is characterized in that: described damping suspension (4) comprises the seat of honour (41), lower seat (42), shock-absorbing spring (43) and damper (44), shock-absorbing spring (43) is installed on the seat of honour (41) by location structure, between lower seat (42), the two ends of damper (44) are connected with mount pad under suspension (23) with mount pad on suspension (35) respectively by bearing pin, lower seat (42) is bolted with mount pad (23) under suspension, the seat of honour (41) is connected with mount pad on suspension (35) by bolt, two damping suspension (4) symmetries are installed, described damper (44) is hydraulic damper, hydraulic damper with adjustable, MR damper or active actuator.
6. vehicle suspension performance experiment table according to claim 5, it is characterized in that: described slewing equipment (5) comprises two ball splines (51), two squares (52), hollow splined shaft (53), four bearing pins (54), spline axle bed (55) and pivoting support (56), hollow splined shaft (53) coordinates with the inner spline groove set by spline axle bed (55) and two ball splines (51) to be installed, two ball splines (51) are connected by the inner hole of flat key with two squares (52), be positioned at the square (52) of bottom to be connected with the hollow space of the centre revolving structure one (22) of sill (2), and by two bearing pin (54) location, superposed square (52) is connected with the hollow space of the centre revolving structure two (32) of entablature (3), and by two bearing pin (54) location, spline axle bed (55) is installed on the outer ring of pivoting support (56) by bolt.
7. vehicle suspension performance experiment table according to claim 6, it is characterized in that: described drive unit (6) comprises reducing motor (61), frequency converter (62), pinion wheel (63), pinion wheel (63) is fixedly connected with by the output shaft of flat key with reducing motor (61), and with the outer ring gears meshing of pivoting support (56), frequency converter (62) drives reducing motor (61) to rotate according to the way of output carried set by scrambler.
8. vehicle suspension performance experiment table according to claim 7, it is characterized in that: described base (7) is box-structure, comprise top board (71), base plate (72) and two pieces of webs (73), base plate (72) welds with two pieces of webs (73), top board (71) is bolted with the flange of two pieces of webs (73), the flange of reducing motor (61) and the inner ring of pivoting support (56) are bolted and are fixed on top board (71), and base plate (72) is bolted and is fixed on base mounting flange (10).
9. the vehicle suspension performance experiment table according to claim 1 or 8, it is characterized in that: described vibration test system (8) comprises electrical equipment swivel adapter head (81), at least one sensor (82), signal wire (83), signal gathering analysis meter (84) and installing plate (85), swivel adapter head (81) is fixed on installing plate (85) by screw, installing plate (85) is secured by bolts on the top board (71) of base (7), the center of swivel adapter head (81) and the center superposition of hollow splined shaft (53), the signal wire (83) be connected with sensor (82) is through balancing disk (34), the center pit of counterweight chassis (33) and hollow splined shaft (53) is connected with each rotor input end of electrical equipment swivel adapter head (81), electrical equipment swivel adapter head (81) output terminal is connected with signal gathering analysis meter device (84) by the upper set square hole of web (73) of signal wire (83) through base (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420842277.4U CN204286824U (en) | 2014-12-26 | 2014-12-26 | Vehicle suspension performance experiment table |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420842277.4U CN204286824U (en) | 2014-12-26 | 2014-12-26 | Vehicle suspension performance experiment table |
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| CN204286824U true CN204286824U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420842277.4U Withdrawn - After Issue CN204286824U (en) | 2014-12-26 | 2014-12-26 | Vehicle suspension performance experiment table |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502125A (en) * | 2014-12-26 | 2015-04-08 | 石家庄铁道大学 | Vehicle suspension performance test bench |
| CN108414248A (en) * | 2018-04-17 | 2018-08-17 | 中国人民解放军陆军装甲兵学院 | A kind of suspension device for vehicle test-bed |
-
2014
- 2014-12-26 CN CN201420842277.4U patent/CN204286824U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502125A (en) * | 2014-12-26 | 2015-04-08 | 石家庄铁道大学 | Vehicle suspension performance test bench |
| CN104502125B (en) * | 2014-12-26 | 2015-08-26 | 石家庄铁道大学 | Vehicle suspension performance experiment table |
| CN108414248A (en) * | 2018-04-17 | 2018-08-17 | 中国人民解放军陆军装甲兵学院 | A kind of suspension device for vehicle test-bed |
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| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150422 Effective date of abandoning: 20150826 |
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| RGAV | Abandon patent right to avoid regrant |